/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.servicecomb.registry;

import java.util.UUID;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class RegistrationId {
  private static final Logger LOGGER = LoggerFactory.getLogger(RegistrationId.class);

  private final String instanceId;

  public RegistrationId() {
    this.instanceId = buildInstanceId();
    LOGGER.info("initialized global registration id {}", this.instanceId);
  }

  public String getInstanceId() {
    return instanceId;
  }

  private static String buildInstanceId() {
    return UUID.randomUUID().toString();
  }
}
